just pickin' and choosin' here... > funny thing is > that the TDC mark on the flywheel seems to be 180degrees to the marker dot > on the cam drive wheel. You'll get that. There are two crank TDC's to every cam shaft rotation, one will be at 0, one at 180. -- Huw Powell http://www.humanspeakers.com/ http://www.humanthoughts.org/